Sep 25, 2012 7:00am EDT
tested. this is surely in response to that. just yesterday, at the united nations, iran's president, ahmadinejad, told reporters, we have all of the defensive means at our disposal. and we are ready to defend ourselves. but while this may be just an exercise, it is significant nonetheless. it comes at an extremely tense time, with israel saying iran's nuclear program must be stopped. and urging the u.s. to take a tougher line. josh? >> all right, martha raddatz, in washington. thank you for that. >>> now, to a developing story in southern california. at least 30 homes have been destroyed or damaged by this wildfire burning near san diego. one man has been killed. hundreds of other homes stand in the flames' path. the winds fanning the fire. we'll have updates as they become available. >>> a major setback for homeowners who lost everything in hurricane katrina. a federal court says the army corps of engineers is not responsible for the damage caused by a main shipping channel. the corps cannot be sued for damages. >>> if you use a discover credit card, you could be getting a refund.